<template>
  <view>
      <!-- 轮播图区域 -->
      <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
        <!-- 循环渲染轮播图的 item 项 -->
        <swiper-item v-for="(item, i) in swiperList" :key="i">
          <navigator class="swiper-item" :url="`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`">
            <!-- 动态绑定图片的 src 属性 -->
            <image :src="item.image_src"></image>
          </navigator>
        </swiper-item>
      </swiper>
      
      <!-- 分类导航区域 -->
      <view class="nav-list">
         <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="toCate(item)">
           <image :src="item.image_src" class="nav-img"></image>
         </view>
      </view>
      
      <!-- 楼层区域 -->
      <view class="floor-list">
        <!-- 楼层 item 项 -->
        <view class="floor-item" v-for="(item, i) in floorList" :key="i">
          <!-- 楼层标题 -->
          <image :src="item.floor_title.image_src" class="floor-title"></image>
          <!-- 楼层图片区域 -->
          <view class="floor-img-box">
            <!-- 左侧大图片的盒子 -->
            <navigator  class="left-img-box" :url="item.product_list[0].url">
              <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
            </navigator >
            <!-- 右侧 4 个小图片的盒子 -->
            <view class="right-img-box">
              <navigator  class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
                <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
              </navigator >
            </view>
          </view>
        </view>
      </view>
    </view>
</template>

<script>
  export default {
    data() {
      return {
        swiperList: [],
        navList:[],
        floorList:[]
      }
    },
    onLoad() {
        //  在小程序页面刚加载的时候，调用获取轮播图数据的方法
        this.getSwiperList()
        this.getNavList()
        this.getFloorList()
    },
    methods:{
      toCate(item) {
        if (item.name === '分类') {
            uni.switchTab({
              url: '/pages/cate/cate'
            })
          }
      },
      async getSwiperList() {
            const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
            if (res.meta.status !== 200) return uni.$showMsg()
            this.swiperList = res.message
          },
      async getNavList() {
            const {data:res} = await uni.$http.get('/api/public/v1/home/catitems')
            if(res.meta.status !== 200) return uni.$showMsg()
            this.navList=res.message
            // console.log(res);
      },
      async getFloorList() {
            const {data:res} = await uni.$http.get('/api/public/v1/home/floordata')
            if(res.meta.status !== 200) return uni.$showMsg()
            // 通过双层 forEach 循环，处理 URL 地址
              res.message.forEach(floor => {
                floor.product_list.forEach(prod => {
                  prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
                })
              })
            this.floorList=res.message
            console.log(res)
      }
    }
  }
</script>

<style lang="scss">
  swiper {
   height: 330rpx;
  
   .swiper-item,
   image {
     width: 100%;
     height: 100%;
   }
  }
  
  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
  
    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  
  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }
  
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
</style>
